cppcanvas/source/wrapper/implspritecanvas.hxx

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  28
  29 #ifndef _CPPCANVAS_IMPLSPRITECANVAS_HXX
  30 #define _CPPCANVAS_IMPLSPRITECANVAS_HXX
  31
  32 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  33 #include <basegfx/vector/b2dsize.hxx>
  34 #include <basegfx/matrix/b2dhommatrix.hxx>
  35
  36 #include <boost/shared_ptr.hpp>
  37
  38
  39 #include <cppcanvas/spritecanvas.hxx>
  40
  41 #include <implbitmapcanvas.hxx>
  42
  43
  44 namespace cppcanvas
  45 {
  46     namespace internal
  47     {
  48         class ImplSpriteCanvas : public virtual SpriteCanvas, protected virtual ImplBitmapCanvas
  49         {
  50         public:
  51             ImplSpriteCanvas( const ::com::sun::star::uno::Reference<
  52                                   ::com::sun::star::rendering::XSpriteCanvas >& rCanvas );
  53             ImplSpriteCanvas(const ImplSpriteCanvas&);
  54
  55             virtual ~ImplSpriteCanvas();
  56
  57             virtual void                    setTransformation( const ::basegfx::B2DHomMatrix& rMatrix );
  58
  59             virtual bool                    updateScreen( bool bUpdateAll ) const;
  60
  61             virtual CustomSpriteSharedPtr   createCustomSprite( const ::basegfx::B2DSize& ) const;
  62             virtual SpriteSharedPtr         createClonedSprite( const SpriteSharedPtr& ) const;
  63
  64             virtual CanvasSharedPtr         clone() const;
  65
  66             virtual ::com::sun::star::uno::Reference<
  67                 ::com::sun::star::rendering::XSpriteCanvas >    getUNOSpriteCanvas() const;
  68
  69             /** This class passes the view transformation
  70                 to child sprites
  71
  72                 This helper class is necessary, because the
  73                 ImplSpriteCanvas object cannot hand out shared ptrs of
  74                 itself, but has somehow pass an object to child
  75                 sprites those can query for the canvas' view transform.
  76              */
  77             class TransformationArbiter
  78             {
  79             public:
  80                 TransformationArbiter();
  81
  82                 void                        setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform );
  83                 ::basegfx::B2DHomMatrix     getTransformation() const;
  84
  85             private:
  86                 ::basegfx::B2DHomMatrix     maTransformation;
  87             };
  88
  89             typedef ::boost::shared_ptr< TransformationArbiter > TransformationArbiterSharedPtr;
  90
  91         private:
  92             // default: disabled assignment
  93             ImplSpriteCanvas& operator=( const ImplSpriteCanvas& );
  94
  95             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSpriteCanvas >    mxSpriteCanvas;
  96             TransformationArbiterSharedPtr                                                          mpTransformArbiter;
  97         };
  98     }
  99 }
 100
 101 #endif /* _CPPCANVAS_IMPLSPRITECANVAS_HXX */
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */